noun
acute radiation syndrome; ARS; acute radiation sickness
Medical term for the severe illness caused by high-dose radiation exposure over a short period.
急性放射線症は、高線量の放射線を短時間に浴びたときに起こる。
Acute radiation syndrome occurs when a person is exposed to a high dose of radiation in a short time.
放射線障害 is a broader term for radiation injury, including both acute and chronic effects, while 急性放射線症 specifically refers to the acute syndrome.
Compound of 急性 (acute) + 放射線 (radiation) + 症 (syndrome). A modern medical term.